Tablet dock



FIG. 1 is a perspective view of the tablet dock;

FIG. 2 is a front view of the tablet dock;

FIG. 3 is a back view of the tablet dock;

FIGS. 4 and 5 show alternate side views of the tablet dock; and,

FIGS. 6 and 7 show front and back views of the tablet dock.

Broken lines shown in the drawings illustrate portions of the tablet dock and form no part of the claimed design. 

The ornamental design for a tablet dock, as shown and described. 